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ALSA: hda - Avoid output amp manipulation to digital mic pins

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Don't set amp-out values to pins without PINCAP_OUT capability,
which are usually assigned for digital mics on ALC663/ALC272.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-03-23 12:51:55 +01:00
parent 234b4346a0
commit 52ca15b7c0
1 changed files with 8 additions and 1 deletions
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9
sound/pci/hda/patch_realtek.c
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@ -16750,6 +16750,12 @@ static int alc662_is_input_pin(struct hda_codec *codec, hda_nid_t nid)
return (pincap & AC_PINCAP_IN) != 0;
}
static int alc662_is_output_pin(struct hda_codec *codec, hda_nid_t nid)
{
unsigned int pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
return (pincap & AC_PINCAP_OUT) != 0;
}
/* create playback/capture controls for input pins */
static int alc662_auto_create_analog_input_ctls(struct hda_codec *codec,
const struct auto_pin_cfg *cfg)
@ -16837,7 +16843,8 @@ static void alc662_auto_init_analog_input(struct hda_codec *codec)
hda_nid_t nid = spec->autocfg.input_pins[i];
if (alc662_is_input_pin(codec, nid)) {
alc_set_input_pin(codec, nid, i);
if (nid != ALC662_PIN_CD_NID)
if (nid != ALC662_PIN_CD_NID &&
alc662_is_output_pin(codec, nid))
snd_hda_codec_write(codec, nid, 0,
AC_VERB_SET_AMP_GAIN_MUTE,
AMP_OUT_MUTE);